... 6063,6060, 6061, 5056, 6082 2) Surface treatment: Mill finish, anodized, powder coating. 3) aluminum tube/pipe Aluminum Tube/Pipe: 1) Material type: 6063, ... 6060, 6061, 5056, 6082...2)Surface treatment: Mill finish, anodized, ... South America, and Africa market)Certification:ISO9001/ISO14001 Aluminum Tube/Pipe